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bevy/crates/bevy_transform
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James Liu 8eb0440f1e Hierarchy commandization (#4197) 
## Objective
Implement absolute minimum viable product for the changes proposed in bevyengine/rfcs#53.

## Solution

 - Remove public mutative access to `Parent` (Children is already publicly read-only). This includes public construction methods like `Copy`, `Clone`, and `Default`.
 - Remove `PreviousParent`
 - Remove `parent_update_system`
 - Update all hierarchy related commands to immediately update both `Parent` and `Children` references.

## Remaining TODOs

 - [ ] Update documentation for both `Parent` and `Children`. Discourage using `EntityCommands::remove`
 - [x] Add `HierarchyEvent` to notify listeners of hierarchy updates. This is meant to replace listening on `PreviousParent`

## Followup

 - These changes should be best moved to the hooks mentioned in #3742.
 - Backing storage for both might be best moved to indexes mentioned in the same relations.
2022-07-10 20:29:06 +00:00
..
src Hierarchy commandization (#4197) 2022-07-10 20:29:06 +00:00
Cargo.toml Bump Bevy to 0.8.0-dev (#4505) 2022-04-17 23:04:52 +00:00
README.md transform: remove some dependencies and cleanup 2020-07-10 01:49:23 -07:00

README.md

Bevy Transform

This crate is largely a 1:1 port from legion_transform (ecs: legion, math: nalgebra) to bevy (ecs: bevy_ecs, math: glam)